Finding the Fourth Proportional to 406,415.84, 560,847.48 and 222,652.95
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Solution
The fourth proportional to 406,415.84, 560,847.48 and 222,652.95 is: 307,257.58
Step by Step Solution
- Step 1: Write the proportion equation
406,415.84 : 560,847.48 = 222,652.95 : x - Step 2: Convert to fraction form
406,415.84/560,847.48 = 222,652.95/x - Step 3: Cross multiply
406,415.84x = 560,847.48 × 222,652.95 - Step 4: Simplify right side
406,415.84x = 124,874,345,922.07 - Step 5: Solve for x
x = 124,874,345,922.07/406,415.84 - Step 6: Final answer
x = 307,257.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.